Mathematics - Vector Question with Solution | TestHub

MathematicsVectorGeneral definitions, Angle between vectors, Section formula, Geometrical resultsMedium2 minPYQ_2004

MathematicsMediumsingle choice

In a right angle $△ ABC, ∠ A = 9 0^{\circ}$ and sides a, b, c are respectively, $5 cm, 4 cm$ and $3 cm$ . If a force $F$ has moments 0,9 and 16 in $N$ cm. units respectively about vertices $A, B$ and $C$ , then magnitude of $F$ is

Options:

Answer:

Solution:

$F \cdot 3 sin θ = 9$ $F \cdot 4 cos θ = 16$ $\Rightarrow F = 5$

Stream:JEESubject:MathematicsTopic:VectorSubtopic:General definitions, Angle between vectors, Section formula, Geometrical results

⏱ 2mℹ️ Source: PYQ_2004

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